Field CCiS CCiA CCiB CCiC CCiD CCWOFF WRITE READ NOP SENSE SENSE DISABLE !2!Q§ Normal Data Write with Return CCW--l,ISYNSEQ:cD+SILI,4----- CCi 1,O,CC+SILI,O CCW 1,XETBSEQ,CC+SIL1,2 CCW 2,0,S1L1,0 CCW 2,0,S1L1.SK1P,65000 EQU EQU EQU EQU EQU EQU x; 0 X'02' X' 03' X' 04' X' 04' X'2F' Data Read ---synchronization sequence write buffer Write ending sequence
Read return data
Iisable Adapter write command cede Adapter read command cede
Adapter NOP command code Adapter sense command code
Adapter sense command cede
Adapter disable command cede
Appendix B. RSCS Contrcl Areas 289

290 IBM VM/370 Data Areas and Control Block Logic